這裏是我的代碼:我嘗試一些值設置爲一個整數數組,但值不會粘
int[][] coordX = new int[10000][10000];
int[][] coordY = new int[10000][10000];
int cX = 0;
int cY = 0;
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
int width = (int) (screenSize.getWidth());
int height = (int) (screenSize.getHeight());
BufferedImage dirt = null;
{
try {
dirt = ImageIO.read(new File("res/dirt.png"));
} catch (IOException e) {
}
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
g.setColor(Color.RED);
for (int y = 0; y <= height; y = y + 50) {
for (int x = 0; x <= width; x = x + 50) {
g.drawImage(dirt, x, y, 50, 50, Color.BLACK, this);
coordX[cX][cY] = cX;
coordY[cX][cY] = cY;
cX = cX + 1;
System.out.println("X=" + coordX[cX][cY]);
}
cY = cY + 1;
cX = 0;
System.out.println("Y=" + coordY[cX][cY]);
}
}
控制檯輸出所有的「X =」值爲零,而同爲「Y =」,但是,當我自己打印「cX」和「cY」值時,它們按計劃進行計數。當我嘗試將「cX」和「cY」值存儲在數組中時,問題似乎只會出現。
您正在打印增加cX和Cy後的值,因此它們尚未分配 –